1579 - Senior Azure Infrastructure Developer/Cybersecurity Engineer

Sigma Defense

64d • $135,000 - $170,000

About The Position

Sigma Defense is seeking a Senior Azure Infrastructure Developer/Cybersecurity Engineer to support U.S. Navy platforms. The hired candidate will be responsible for system hardening, implementing Security Technical Implementation Guides (STIGs), supporting Risk Management Framework (RMF) accreditation packages, and responding to cybersecurity audits and scan findings across classified and unclassified networks.

Requirements

• 15+ years of relevant experience.
• Must be a U.S. citizen.
• Mandatory Certifications: VMWare certified, Security+, and at least one OS/platform certification (Linux, Windows, VMware).
• Experience with tools such as Assured Compliance Assessment Solution (ACAS), Security Content Automation Protocol (SCAP), and Security Information and Event Management (SIEM).
• 5+ years of MS Azure development experience is preferred.

Nice To Haves

• VMWare certified is preferred.
• Azure Sentinel developer experience is highly desired.

Responsibilities

• Implement and enforce DoD cybersecurity policies (STIGs, RMF, NIST SP 800-53) across US Navy systems.
• Perform vulnerability assessments using tools such as ACAS, Nessus, SIEM.
• Design, develop, implement, and troubleshoot solutions for vulnerabilities within the US Navy systems.
• Lead efforts to harden Windows/Linux systems, applications, network devices, and various hardware within the US Navy environment.
• Support RMF activities, including control implementation, POA&M development, ATO submissions via eMASS, and participate in Annual Security Reviews.
• Assist with IAVM compliance, log analysis, and audit readiness tasks.
• Perform patch management, system scanning, and incident response coordination.
• Maintain system documentation, cybersecurity artifacts, and baseline reports.
• Support system validation during test events, site assessments, and production installations.

Benefits

• Dental and Vision Insurance
• Medical Insurance to Include HSA, FSA, and DFSA Plans
• Life and AD&D coverage
• Employee Assistance Program (EAP)
• 401(k) Plan with Company Matching Contributions
• 160 Hours of Paid Time Off (PTO)
• 12 (Floating) Holidays
• Educational Assistance
• Highly Competitive Salary

What This Job Offers

• Career Level: Senior